CN109422425A - A kind of cultivating wastewater purification method - Google Patents
A kind of cultivating wastewater purification method Download PDFInfo
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- CN109422425A CN109422425A CN201710745255.4A CN201710745255A CN109422425A CN 109422425 A CN109422425 A CN 109422425A CN 201710745255 A CN201710745255 A CN 201710745255A CN 109422425 A CN109422425 A CN 109422425A
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000000746 purification Methods 0.000 title claims abstract description 18
- 239000010865 sewage Substances 0.000 claims abstract description 18
- 238000004062 sedimentation Methods 0.000 claims abstract description 17
- 238000005189 flocculation Methods 0.000 claims abstract description 16
- 230000016615 flocculation Effects 0.000 claims abstract description 16
- 239000012528 membrane Substances 0.000 claims abstract description 14
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 14
- 230000003647 oxidation Effects 0.000 claims abstract description 12
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 9
- 230000003197 catalytic effect Effects 0.000 claims abstract description 8
- 238000004042 decolorization Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 229910001868 water Inorganic materials 0.000 claims description 33
- 239000005416 organic matter Substances 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 9
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- 238000005273 aeration Methods 0.000 claims description 5
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- 230000001376 precipitating effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 241001148471 unidentified anaerobic bacterium Species 0.000 claims description 3
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 2
- 239000011790 ferrous sulphate Substances 0.000 claims description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000035939 shock Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 244000144972 livestock Species 0.000 abstract description 2
- 244000144977 poultry Species 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
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- DEEUSUJLZQQESV-BQUSTMGCSA-N (-)-stercobilin Chemical compound N1C(=O)[C@H](C)[C@@H](CC)[C@@H]1CC1=C(C)C(CCC(O)=O)=C(\C=C/2C(=C(C)C(C[C@H]3[C@@H]([C@@H](CC)C(=O)N3)C)=N\2)CCC(O)=O)N1 DEEUSUJLZQQESV-BQUSTMGCSA-N 0.000 description 1
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- 239000002028 Biomass Substances 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- BHEJOQCIBOLMNS-UHFFFAOYSA-N Stercobilinogen Natural products CCC1C(C)C(=O)NC1CC2=NC(Cc3[nH]c(CC4NC(=O)C(CC)C4C)c(C)c3CCC(=O)O)C(=C2C)CCC(=O)O BHEJOQCIBOLMNS-UHFFFAOYSA-N 0.000 description 1
- TYOWQSLRVAUSMI-UHFFFAOYSA-N Sterecobilin-IXalpha Natural products N1C(=O)C(C)C(CC)C1CC(C(=C1CCC(O)=O)C)=NC1=CC1=C(CCC(O)=O)C(C)=C(CC2C(C(CC)C(=O)N2)C)N1 TYOWQSLRVAUSMI-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011026 diafiltration Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 230000002550 fecal effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention relates to technical field of sewage, specifically a kind of cultivating wastewater purification method that treatment effeciency is high, comprising: pretreatment, biochemical treatment and advanced treating three phases；Pretreatment stage includes grid slagging-off, adjusts just heavy and flocculation sedimentation；The biochemical treatment stage includes Anaerobic Treatment, the processing of multi-stage biological catalytic oxidation；The advanced treating stage includes decolorization and Membrane Bioreactor for Wastewater Treatment.The beneficial effects of the present invention are: comprehensive energy consumptions low, system strong shock resistance, occupied area are small, at low cost, it can be ensured that waste water of livestock poultry is able to smoothly stablize processing, can alleviate the financial burden of raiser, while solving pollution problem.
Description
Technical field
The present invention relates to field of waste water treatment, in particular to a kind of cultivating wastewater purification method.
Background technique
Large-scale cultivation is modernized, a large amount of waste water and waste can be generated, aquaculture waste water belongs to rich in a large amount of pathogen
High concentrated organic wastewater, be discharged directly into water body or storage place be improper, entered water body by rain-out, it would be possible to make
At surface water or the severe exacerbation of quality of groundwater.Nitrogen, phosphorus and water solubility since the leaching of Animal fecal pollution is very strong, in fecaluria
The leaching such as organic matter are very big, if do not dealt carefully with, will enter water table polluted underground water by rainwash and diafiltration.
Influence to surface water is then mainly shown as, after large amount of organic matter enters water body, the decomposition of organic matter will be consumed largely in water
Dissolved oxygen, keep water body smelly；After dissolved oxygen sharp fall in water body, large amount of organic matter can under anaerobic after
It is continuous to decompose, the toxic gases such as methane, hydrogen sulfide will be generated in decomposition, lead to aquatile mortality；It is a large amount of in waste water
Suspended matter can make water body muddy, reduce the photosynthesis of algae in water, limit the normal activity of aquatile, make to organic matter dirt
It is gradually dead to contaminate sensitive aquatile, to be further exacerbated by water bottom anoxic, makes the reduction of water body assimilative capacicy；Nitrogen, phosphorus
It can make water eutrophication, the result of eutrophication can make NO3-N and NO2-N excessive concentration in water body, if people and animals are long-term
Drinking can cause to be poisoned, and the growth of some toxic algaes and mass propagation can discharge a large amount of toxin in water body, cause aquatic
The mortality of animal, to seriously destroy water ecology balance；Some germs, virus in fecaluria etc. can with water flowing
It can lead to certain epiphytotics propagation etc..
Summary of the invention
The technical problem to be solved by the present invention is to overcome the defect of existing cultivating wastewater purification, processed waste water cannot reach
The series of problems such as mark discharge, pollutant realization qualified discharge can be effectively treated by providing one kind, while can be reduced investment outlay, be saved
About land used, it is stable do not influenced by seasonal temperature, the cultivating wastewater purification method that operating cost is low.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
A kind of cultivating wastewater purification method, including pretreatment, biochemical treatment and advanced treating three phases:
Pretreatment stage: including grid slagging-off, just heavy and flocculation sedimentation is adjusted；
The biochemical treatment stage: including Anaerobic Treatment, the processing of multi-stage biological catalytic oxidation；
The advanced treating stage: including decolorization and Membrane Bioreactor for Wastewater Treatment.
Further, when the grid slagging-off process is that sewage passes through grid, coarse suspended matter is intercepted by grid；It adjusts just
Heavy process is after grid removes the gred, and sewage enters adjusting primary sedimentation tank, stablizes sewage quality, water, and larger particles impurity is preliminary
It is precipitated.Flocculation sedimentation process is the process that particulate matter makees flocculation sedimentation in water, and sewage enters flocculation sedimentation tank, is added
Ferrous sulfate and polyacrylamide are stirred to react, and remove most suspended substances precipitating in waste water.
Further, the Anaerobic Treatment process are as follows: flocculation sedimentation tank water outlet enters anaerobic pond, utilizes high concentration anaerobic bacteria
Effect, make organic matter occur hydrolysis, acidification and methanation, remove waste water in organic matter.
Further, the multi-stage biological catalytic oxidation treatment process are as follows: sewage enters at least three-level biology by anaerobic pond
Composite filling is arranged in pond, and arranges micro-hole aerator in aerobic tank for contact-oxidation pool, with the oxygenic aeration into pond.
Further, the decolorization process are as follows: by adding breeding wastewater decolorising agent, realizing has colour developing in waste water
Machine object is removed, while reducing COD.
Further, the Membrane Bioreactor for Wastewater Treatment process are as follows: go solid in water removal to suspend by membrane bioreactor
Object and remaining COD.
The beneficial effects of the present invention are: the pollutant burden amount of liquid portion can be made to substantially reduce by being separated by solid-liquid separation, increase
Add anaerobic digestion maintainability, the size and required residence time, reduction facility investment for reducing anaerobic reactor simultaneously mention
The past of high chemical oxygen demand removes efficiency；Anaerobic digestion process can be under lower operation ingredient effectively toward except a large amount of soluble
Organic matter, the past rate of removing of COD is up to 80%~87%；Comprehensive energy consumption is low, system strong shock resistance, occupied area are small, at
This is low, it can be ensured that waste water of livestock poultry is stabilized processing, can alleviate the financial burden of raiser, while solving pollution problem.
Detailed description of the invention
Fig. 1 is a kind of flow chart of cultivating wastewater purification method of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the invention proposes a kind of cultivating wastewater purification method, including pretreatment, biochemical treatment and depth
Degree processing three phases.
Pretreatment stage: including grid slagging-off, just heavy and flocculation sedimentation three process is adjusted.
Grid slagging-off intercepts coarse suspended matter by grid when sewage passes through grid.It is just heavy to adjust, after grid removes the gred,
Sewage enters adjusting primary sedimentation tank, stablizes sewage quality, water, and larger particles impurity is tentatively precipitated.
Flocculation sedimentation: being the process that particulate matter makees flocculation sedimentation in water, and sewage enters flocculation sedimentation tank, sequentially adds sulphur
Sour ferrous and polyacrylamide (PAM) is stirred to react, and removes most suspended substances precipitating in waste water.
The biochemical treatment stage: including Anaerobic Treatment, the processing of multi-stage biological catalytic oxidation.
Anaerobic Treatment: flocculation sedimentation tank water outlet, which enters anaerobic pond, makes organic matter using the effect of high concentration anaerobic bacteria
Hydrolysis, acidification and methanation, remove the organic matter in waste water, efficiently handle sewage, and improve the biodegradability of sewage,
Be conducive to the progress of sustainable development.
The processing of multi-stage biological catalytic oxidation: hereafter, sewage enters at least three-level biological contact oxidation pond by anaerobic pond, in pond
Composite filling is set, and arranges micro-hole aerator in aerobic tank, is each of microorganism on biomembrane with the oxygenic aeration into pond
Good environmental condition is created in kind aerobic biochemical reaction, guarantees the degradation of BOD5 (five-day BOD), NH3-N (ammonia nitrogen).
The advanced treating stage: including decolorization and Membrane Bioreactor for Wastewater Treatment.
Decolorization: by quantitatively adding breeding wastewater decolorising agent, realization has the colour developing in waste water compared with bio-refractory
Machine object is effectively removed, while COD can be greatly reduced.
Membrane Bioreactor for Wastewater Treatment: solid suspension and remaining chemistry in water removal is further gone to need by membrane bioreactor
Oxygen amount, removal efficiency up to 99%, to microorganism, bacterium, Escherichia coli, pathogen removal rate up to 96% or more.
Arrangement combinations filler in contact-oxidation pool, makes reactor at the advantages of having both soft-filler and semi soft packing concurrently
In be able to maintain very high biomass, volumetric loading is high, and the residence time is short, and occupied area is small.
The aerating system glue film micro porous aeration head more advanced using international water process at present, the device is in the process of running not
It will appear clogging, have many advantages, such as that aeration stomata is small, the utilization rate of oxygen is high, greatly improves treatment effect and reduces
Energy consumption.
Urochromogen, stercobilinogen are to exist with colourless chromogen, but put in air in fresh fecaluria
Because of light or heat or the effect of oxidation when setting, it is just gradually transformed into urinary pigment, the stercobilin of yellow, is caused by general place
After managing process, finally buff, dark brown is presented in water outlet.In consideration of it, the present invention adds breeding wastewater decoloration after catalytic oxidation
Agent, removal makes waste water finally show dark and compared with difficult for biological degradation organic pigment, to go its coloration.
Waste water by decolorization is further using high-concentration activated sludge in membrane cisterna again into Membrane Bioreactor for Wastewater Treatment
Remove organic matter, ammonia nitrogen etc., the superelevation filtering accuracies of microfiltration membranes but also the concentration of suspension of final outflow water, microorganism, bacterium,
The indexs such as Escherichia coli, pathogen reach higher standard, to be high organic concentration, high suspended matter concentration, high chroma, high nitrogen
The processing of breeding wastewater of phosphorus, high harmful microorganism quantity provides new selection.
The present invention is aided with physics, chemical method, makes cultivating wastewater purification side in the case where giving full play to bioanalysis advantage
Method is aobvious in degradation high concentration organic contaminant, reduction high suspended matter concentration, high chroma, high harmful microorganism quantitative aspects effect
It writes.
Meanwhile the application of flocculation sedimentation enables most suspended substances in waste water to remove in the present invention, reduces subsequent biochemical
The application of the load of processing, the high volumetric loading of biological contact oxidation process, membrane bioreactor all reduces to a certain extent
Occupied area saves soil and improves resource utilization.
In the present invention, the application of micro-hole aerator not only increases coefficient of oxygen utilization, treatment effect also reduces energy consumption；Decoloration
The specific aim application of agent, is effectively reduced the coloration of waste water；The application of film also makes the concentration of suspension of final outflow water, micro- life
The indexs such as object, bacterium, Escherichia coli, pathogen reach higher standard, to provide new selection for cultivating wastewater purification.
The comprehensive energy consumption of cultivating wastewater purification method of the present invention is low, system strong shock resistance, occupied area is small, handles effect
Fruit is good, and expense cost is low, and stable, is not influenced by seasonal temperature.
Claims (6)
1. a kind of cultivating wastewater purification method characterized by comprising three pretreatment, biochemical treatment and advanced treating ranks
Section；Pretreatment stage includes grid slagging-off, adjusts just heavy and flocculation sedimentation；The biochemical treatment stage includes Anaerobic Treatment, multistage life
The processing of object catalytic oxidation；The advanced treating stage includes decolorization and Membrane Bioreactor for Wastewater Treatment.
2. a kind of cultivating wastewater purification method as described in claim 1, which is characterized in that the grid slagging-off process, sewage warp
When crossing grid, coarse suspended matter is intercepted by grid；Heavy process at the beginning of the adjusting, after grid removes the gred, sewage enters adjusting just
Heavy pond, stablizes sewage quality, water, and larger particles impurity is tentatively precipitated；The flocculation sedimentation process, sewage enter flocculation
Sedimentation basin, sequentially adds ferrous sulfate and polyacrylamide is stirred to react, and removes most suspended substances precipitating in waste water.
3. a kind of cultivating wastewater purification method as described in claim 1, which is characterized in that the Anaerobic Treatment process is that flocculation is heavy
The water outlet of shallow lake pond enters anaerobic pond, using the effect of high concentration anaerobic bacteria, makes organic matter that hydrolysis, acidification and methanation, removal occur
Organic matter in waste water.
4. cultivating wastewater purification method as described in claim 1, which is characterized in that the multi-stage biological catalytic oxidation treatment process
At least three-level biological contact oxidation pond is entered by anaerobic pond for sewage, setting composite filling in pond, and arrange in aerobic tank micro-
Hole aerator, with the oxygenic aeration into pond.
5. a kind of cultivating wastewater purification method as described in claim 1, which is characterized in that the decolorization process is to pass through throwing
Add breeding wastewater decolorising agent, realizes and the organic matter that develops the color in waste water is removed, while reducing COD.
6. a kind of cultivating wastewater purification method as described in claim 1, which is characterized in that the Membrane Bioreactor for Wastewater Treatment process
To go solid suspension and remaining COD in water removal by membrane bioreactor.
Priority Applications (1)
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| CN201710745255.4A CN109422425A (en) | 2017-08-25 | 2017-08-25 | A kind of cultivating wastewater purification method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710745255.4A CN109422425A (en) | 2017-08-25 | 2017-08-25 | A kind of cultivating wastewater purification method |
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| CN109422425A true CN109422425A (en) | 2019-03-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117585854A (en) * | 2023-12-20 | 2024-02-23 | 江苏奥尼斯环保科技有限公司 | Breeding wastewater treatment system |
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| CN105541003A (en) * | 2015-12-11 | 2016-05-04 | 青岛清科环保科技有限公司 | Method for treating aquaculture wastewater |
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2017
- 2017-08-25 CN CN201710745255.4A patent/CN109422425A/en active Pending
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| CN117585854A (en) * | 2023-12-20 | 2024-02-23 | 江苏奥尼斯环保科技有限公司 | Breeding wastewater treatment system |
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